JP4168340B2 - 画素処理装置内において垂直ピーキング動作と垂直スケーリング動作とを組合わせたポリフェーズフィルタ - Google Patents
画素処理装置内において垂直ピーキング動作と垂直スケーリング動作とを組合わせたポリフェーズフィルタ Download PDFInfo
- Publication number
- JP4168340B2 JP4168340B2 JP2003539303A JP2003539303A JP4168340B2 JP 4168340 B2 JP4168340 B2 JP 4168340B2 JP 2003539303 A JP2003539303 A JP 2003539303A JP 2003539303 A JP2003539303 A JP 2003539303A JP 4168340 B2 JP4168340 B2 JP 4168340B2
- Authority
- JP
- Japan
- Prior art keywords
- pixel data
- coefficients
- pixel
- vertical
- function
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012545 processing Methods 0.000 title claims abstract description 118
- 239000000872 buffer Substances 0.000 claims abstract description 49
- 238000000034 method Methods 0.000 claims abstract description 24
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 230000006870 function Effects 0.000 claims description 47
- 230000004044 response Effects 0.000 claims description 14
- 230000003139 buffering effect Effects 0.000 claims description 6
- 238000012935 Averaging Methods 0.000 claims description 5
- 238000010606 normalization Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 12
- 238000006243 chemical reaction Methods 0.000 description 11
- 238000013461 design Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000005070 sampling Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000006837 decompression Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000003707 image sharpening Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0135—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/20—Circuitry for controlling amplitude response
- H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
- H04N5/208—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Image Processing (AREA)
- Picture Signal Circuits (AREA)
- Facsimile Heads (AREA)
- Color Television Image Signal Generators (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/046,515 US20030080981A1 (en) | 2001-10-26 | 2001-10-26 | Polyphase filter combining vertical peaking and scaling in pixel-processing arrangement |
PCT/IB2002/004223 WO2003036943A1 (en) | 2001-10-26 | 2002-10-14 | Polyphase filter combining vertical peaking and scaling in pixel-processing arrangement |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005506809A JP2005506809A (ja) | 2005-03-03 |
JP4168340B2 true JP4168340B2 (ja) | 2008-10-22 |
Family
ID=21943842
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003539303A Expired - Fee Related JP4168340B2 (ja) | 2001-10-26 | 2002-10-14 | 画素処理装置内において垂直ピーキング動作と垂直スケーリング動作とを組合わせたポリフェーズフィルタ |
Country Status (9)
Country | Link |
---|---|
US (1) | US20030080981A1 (zh) |
EP (1) | EP1442591B1 (zh) |
JP (1) | JP4168340B2 (zh) |
KR (1) | KR100956020B1 (zh) |
CN (1) | CN1330168C (zh) |
AT (1) | ATE437528T1 (zh) |
DE (1) | DE60233063D1 (zh) |
TW (1) | TW595225B (zh) |
WO (1) | WO2003036943A1 (zh) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003065308A2 (en) * | 2002-02-01 | 2003-08-07 | Koninklijke Philips Electronics N.V. | Stepless 3d texture mapping in computer graphics |
DE602004009558T2 (de) * | 2003-04-29 | 2008-02-07 | Nxp B.V. | Digitale filteranordnung |
KR100519776B1 (ko) * | 2003-11-24 | 2005-10-07 | 삼성전자주식회사 | 영상 신호의 해상도 변환 방법 및 장치 |
US7411628B2 (en) * | 2004-05-07 | 2008-08-12 | Micronas Usa, Inc. | Method and system for scaling, filtering, scan conversion, panoramic scaling, YC adjustment, and color conversion in a display controller |
US7259796B2 (en) * | 2004-05-07 | 2007-08-21 | Micronas Usa, Inc. | System and method for rapidly scaling and filtering video data |
US7408590B2 (en) * | 2004-05-07 | 2008-08-05 | Micronas Usa, Inc. | Combined scaling, filtering, and scan conversion |
US20080309817A1 (en) * | 2004-05-07 | 2008-12-18 | Micronas Usa, Inc. | Combined scaling, filtering, and scan conversion |
US7688337B2 (en) * | 2004-05-21 | 2010-03-30 | Broadcom Corporation | System and method for reducing image scaling complexity with flexible scaling factors |
US20060149802A1 (en) * | 2005-01-04 | 2006-07-06 | Shang-Chieh Wen | Scaling filter and method thereof |
CN100568863C (zh) * | 2005-09-30 | 2009-12-09 | 中国科学院上海微系统与信息技术研究所 | 基于多子带滤波器组的发射、接收装置及其方法 |
JP2007193397A (ja) * | 2006-01-17 | 2007-08-02 | Sharp Corp | スケーラとエッジ強調の画像処理方法及び装置 |
JP2007336175A (ja) * | 2006-06-14 | 2007-12-27 | Matsushita Electric Ind Co Ltd | 電子ズーム装置 |
US8073282B2 (en) * | 2007-07-23 | 2011-12-06 | Qualcomm Incorporated | Scaling filter for video sharpening |
CN101883225B (zh) * | 2009-05-06 | 2012-06-27 | 晨星软件研发(深圳)有限公司 | 用以消除影像误差的滤波器与方法 |
JP2011237997A (ja) * | 2010-05-10 | 2011-11-24 | Sony Corp | 画像処理装置、および画像処理方法、並びにプログラム |
US20130162901A1 (en) * | 2011-12-22 | 2013-06-27 | Silicon Image, Inc. | Ringing suppression in video scalers |
CN112886944B (zh) * | 2019-11-29 | 2024-09-10 | 西安诺瓦星云科技股份有限公司 | 滤波器系数生成方法及装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4538178A (en) * | 1983-06-24 | 1985-08-27 | Rca Corporation | Digital signal peaking apparatus with controllable peaking level |
US5422827A (en) * | 1993-02-12 | 1995-06-06 | Cirrus Logic, Inc. | Integrated video scaling and sharpening filter |
US5587742A (en) * | 1995-08-25 | 1996-12-24 | Panasonic Technologies, Inc. | Flexible parallel processing architecture for video resizing |
DE69708841T2 (de) * | 1996-10-31 | 2002-08-22 | Koninkl Philips Electronics Nv | Abtastratenumwandlung |
US6281873B1 (en) * | 1997-10-09 | 2001-08-28 | Fairchild Semiconductor Corporation | Video line rate vertical scaler |
WO2001045389A1 (en) * | 1999-12-17 | 2001-06-21 | Koninklijke Philips Electronics N.V. | Signal peaking |
WO2001069918A1 (en) * | 2000-03-15 | 2001-09-20 | Koninklijke Philips Electronics N.V. | Video-apparatus with peaking filter |
-
2001
- 2001-10-26 US US10/046,515 patent/US20030080981A1/en not_active Abandoned
-
2002
- 2002-10-14 DE DE60233063T patent/DE60233063D1/de not_active Expired - Lifetime
- 2002-10-14 WO PCT/IB2002/004223 patent/WO2003036943A1/en active Application Filing
- 2002-10-14 AT AT02772742T patent/ATE437528T1/de not_active IP Right Cessation
- 2002-10-14 JP JP2003539303A patent/JP4168340B2/ja not_active Expired - Fee Related
- 2002-10-14 KR KR1020047006112A patent/KR100956020B1/ko not_active IP Right Cessation
- 2002-10-14 CN CNB028210875A patent/CN1330168C/zh not_active Expired - Fee Related
- 2002-10-14 EP EP02772742A patent/EP1442591B1/en not_active Expired - Lifetime
- 2002-10-17 TW TW091123936A patent/TW595225B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1442591B1 (en) | 2009-07-22 |
US20030080981A1 (en) | 2003-05-01 |
JP2005506809A (ja) | 2005-03-03 |
ATE437528T1 (de) | 2009-08-15 |
KR20040045927A (ko) | 2004-06-02 |
KR100956020B1 (ko) | 2010-05-06 |
CN1575587A (zh) | 2005-02-02 |
EP1442591A1 (en) | 2004-08-04 |
WO2003036943A1 (en) | 2003-05-01 |
CN1330168C (zh) | 2007-08-01 |
TW595225B (en) | 2004-06-21 |
DE60233063D1 (de) | 2009-09-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4168340B2 (ja) | 画素処理装置内において垂直ピーキング動作と垂直スケーリング動作とを組合わせたポリフェーズフィルタ | |
US6327000B1 (en) | Efficient image scaling for scan rate conversion | |
US6411333B1 (en) | Format conversion using patch-based filtering | |
US7411628B2 (en) | Method and system for scaling, filtering, scan conversion, panoramic scaling, YC adjustment, and color conversion in a display controller | |
US7477323B2 (en) | Method and system for digital image magnification and reduction | |
US6556193B1 (en) | De-interlacing video images using patch-based processing | |
US20090268086A1 (en) | Method and system for scaling, filtering, scan conversion, panoramic scaling, yc adjustment, and color conversion in a display controller | |
US5835160A (en) | Sampling rate conversion using digital differential analyzers | |
US7408590B2 (en) | Combined scaling, filtering, and scan conversion | |
US6563511B1 (en) | Anti-flickering for video display based on pixel luminance | |
KR100910712B1 (ko) | 재구성 가능한 픽셀 데이터 처리 회로 및 방법 | |
US20080309817A1 (en) | Combined scaling, filtering, and scan conversion | |
US5483474A (en) | D-dimensional, fractional bandwidth signal processing apparatus | |
US6411334B1 (en) | Aspect ratio correction using digital filtering | |
JP4540191B2 (ja) | 画像処理装置 | |
US8786637B2 (en) | Method for processing image and devices using the method | |
EP3748571A1 (en) | Multiline scaler processor | |
KR19990051709A (ko) | 엔티에스씨 영상 비디오의 해상도 변환 시스템 | |
Vainio et al. | An Edge Preserving Filter with Variable Window Size for Real Time Video Signal Processing | |
JP2004193895A (ja) | 画像信号処理装置 | |
JPH11272858A (ja) | 解像度変換装置 | |
JP2001238184A (ja) | 映像信号処理回路 | |
KR20020052708A (ko) | 내부 메모리를 줄인 디지털 방송 수신 시스템의 비디오디스플레이 프로세서 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20051012 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20080624 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20080723 |
|
A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A711 Effective date: 20080703 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110815 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110815 Year of fee payment: 3 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110815 Year of fee payment: 3 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110815 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120815 Year of fee payment: 4 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130815 Year of fee payment: 5 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |